Installing The Burner; Checking The Neutralising System (If Installed); Checking The Anode Connection And Anode Earth Current With An Anode Tester - Viessmann Vitodens 222-F Installation And Service Instructions Manual

Installing the burner

4x
G
C
E
D
B
Fig. 34
1. Insert the burner and tighten screws
Torque: 8.5 Nm
2. Fit gas supply pipe
F
Torque: 30 Nm
3. Check gas connections for tightness.
Danger
Escaping gas leads to a risk of explosion.
Check the fitting for gas tightness.

Checking the neutralising system (if installed)

Checking the anode connection and anode earth current with an anode
tester
Check that the earth cable is connected to the protec-
tive magnesium anode.
Note
We recommend checking the function of the protective
magnesium anode annually. This function test can be
carried out without interrupting operation, by measur-
ing the earth current with an anode tester.
F
A
crosswise.
G
with a new gasket.
Commissioning, inspection, maintenance
4. Connect the electrical cables/leads:
■ Fan motor
A
■ Ionisation electrode
Gas train
■ B
■ Ignition unit
D
■ Earth
E
C
43